Rotational Equilibrium and Center of Gravity

Physics: Principles with Applications

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Rotational Equilibrium and Center of Gravity Colt Swayze November 4, 2009
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Results/Analysis : In section B, we applied set locations and masses on a balanced disk in order to calculate its center of gravity. The disk was oriented by an x/y coordinate system plotted on its surface with holes drilled in it on a one inch scale. What we found after experimentation was that the torque created on the positive coordinates is added to the torque created on the negative coordinates, the results will be very close to zero when correctly balanced. In part 5 of my experiment the total combined torque on the x-axis equaled 25.75 and 5.09 on the y-axis. These values were all that remained after about 1615 x-axis torque and 1410 y-axis torque.
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Unformatted text preview: The comparison is less than marginable. Also, the accuracy of our measurements can be proved by our results to part 6. By calculating the location where 200gm needed to placed to balance the system, we found the location to be (0.21in,-2.44in). When we placed the mass on the disk and moved it around until the system was perfectly level, we found this to be (0.22in,-2.44in). For our x-axis placement, we were off by 4.8% and on the y-axis we were in precisely the correct location. The equations at the top of my calculations section were proved to be spot on with the calculation of the center of gravity....
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This note was uploaded on 04/21/2010 for the course PHYS 1004 taught by Professor Dr.good during the Spring '09 term at Ouachita Baptist.

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Rotational Equilibrium and Center of Gravity - The...

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